[amelius]

Great, can I plug a USB drive in, and use it?

[easton]

Yes: https://support.apple.com/en-sg/guide/iphone/iph95baac91f/io...

Works fine. I don't know if you can format drives, but you can definitely read and write to external disks and network shares.

[rcarmo]

Yes, if it's USB-C. You won't like the experience though.